ive got a banshee quad 2 stroke twin cylinder. with a few mods, hot rod crank, high dome pistons, fmf race exhaust system. its scary fast and now i am thinking of cutting it off in front of the engine, and using the entire back half already to go. and building a caged front section to make a scary fast jr. dragster for my 12 year old son. of course there is not a class for this, but it coiuld be run in a test and tune session, what an interesting toy!